[Skip to main content](#main-content) [ OpenNash ](https://opennash.com/) / [Jobs](https://jobs.opennash.com/) [ 01 Search jobs](https://jobs.opennash.com/search/)[ 02 Companies](https://jobs.opennash.com/explore/)[ 03 Hiring report](https://jobs.opennash.com/reports/hiring/)[ 04 AI assistants](https://jobs.opennash.com/connect/)[ 05 How it works](https://jobs.opennash.com/methodology/) RTX # Principal Systems Engineer, Integration and Test Engineer Onsite On-site Full-time Senior individual contributor Operations Listed on RTX’s official careers site. Posted October 24, 2026. Check that it is still open and apply there. [Apply on RTX’s careers site →](https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-MA-TEWKSBURY-TB1--50-Apple-Hill-Dr--ASSABET-BLDG/Principal-Systems-Engineer--Integration-and-Test-Engineer-Onsite_01884664) [OpenNash Jobs](https://jobs.opennash.com/) / [RTX](https://jobs.opennash.com/companies/rtx/) / Principal Systems Engineer, Integration and Test Engineer Onsite ## Job description ### Date Posted 2026-10-23 Country: United States of America Location: US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET BLDG Position Role Type: Onsite U.S. Citizen, U.S. ### Person, or Immigration Status Requirements Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At RTX, the world’s largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. Raytheon’s Systems Engineering and Test Capabilities (SE&TC) Surface Radars & Sensors Center is seeking a Principal Systems Engineer to join our Systems Integration & Test Long Range Radars Department within the Systems Engineering & Test Capabilities Directorate. The team is seeking a Principal Systems Engineer who will support one of a variety of Radar programs including AN/TPY-2 and XBR. This includes supporting the systems data analysis and integration tasks and scope planning to create milestones and schedules and working competing priorities. Typical daily activities executed by the teams include scenario development, testing, data analysis, support to software development and systems engineering teams, and customer presentations. The individual will contribute to growing the team’s abilities and be able to work with both internal and external customers. ### What You Will Do Participate in integration and test planning/execution, executing verification/validation events, and perform scenario-based analysis to identify and resolve technical observations. Complete system performance assessments and validation testing to ensure compliance with requirements and specifications. Execute integration plans and testing activities according to defined tasks. Integrate and test radar system software builds in a String/HWIL facility for supporting. Collaborate with cross-program leads/stakeholders to generate test approaches, ensure test-setup readiness, and participate in key processes (peer, gate, and test readinessreviews). Confirm test and evaluation processes are conducted according to established procedures for software and hardware and ensure compliance with Department of Defense technology release and export licensing policies. Willingness for 10% local and non-local travel including experience with domestic and foreign military sales products. ### Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience. Experience with MATLAB, Python, Perl, C/C++, Linux, Unix, and/or other programming languages. Experience with systems engineering, radar data analysis, integration, verification, validation and/or system testing. We Prefer Experience using String/HWIL test equipment, radio frequency (RF) electronic hardware configuration and installation, software installations, and integrating or regression testing radar systems with certifications in CompTIA Network+ and or CompTIA Security+. Experience with MATLAB, Linux Operating Systems (Linux Red Hat), Unix, and Shell scripting for performing integration, verification, test, and data analysis, integrating and configuring electronics, installing/debugging software. Experience creating integration test procedures, test plans, test scripts, developing and maintaining configuration control documentation, and navigating through test setup schematics. Experience with agile and DevSecOps processes, implement (or maintain) agile methodologies, participating in daily team standup meetings, sprint reviews, program Increment (PI) Planning meetings, retrospectives, and agile tooling such as JIRA and Confluence, and support execution of the team’s backlog including performance analysis and issue investigation. ### What We Offer Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. ### At RTX we value Safety, Trust, Respect, Accountability, Collaboration, and Innovation. Relocation Eligibility– Relocation assistance available Learn More & Apply Now! Please consider the following role type definition as you apply for this role. ### Onsite Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 107,500 USD - 204,500 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. ### Privacy Policy and Terms Click on this link to read the Policy and Terms ## At a glance - Posted by the employer: Oct 24, 2026 - First seen by OpenNash: Nov 11, 2026 - Last checked: Nov 11, 2026 - Listed for: 18 days - Work arrangement: On-site - Employment type: Full-time[Apply on RTX’s careers site →](https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-MA-TEWKSBURY-TB1--50-Apple-Hill-Dr--ASSABET-BLDG/Principal-Systems-Engineer--Integration-and-Test-Engineer-Onsite_01884664) ## Hiring at RTX - Open jobs: 4,634 - New in the last 7 days: After two weekly collections - Tracked since: Jul 14, 2026 [All RTX jobs](https://jobs.opennash.com/companies/rtx/) · [Weekly hiring report](/reports/hiring/) ## More jobs at RTX ### [Principal Systems Security Engineer (Anti-Tamper / Program Protection) - P4 (Onsite)](https://jobs.opennash.com/companies/rtx/jobs/b2b5ea3cad2431404ceb/) ### [Principal Systems Engineer, Integration and Test Engineer Onsite](https://jobs.opennash.com/companies/rtx/jobs/b5f512de911aa1e3d774/) ### [Principal Systems Engineer, MBSE (Hybrid - Aguadilla, PR)](https://jobs.opennash.com/companies/rtx/jobs/f377365ad19b7c88fe2c/) AGUADILLA, PR, US ### [Principal Systems Engineer, Radar Test Engineer - Ground Based Radar Systems](https://jobs.opennash.com/companies/rtx/jobs/7219d4cc4ec481923775/) ### [Principal Systems Engineer, Release Train Engineer - AN/TPY-2](https://jobs.opennash.com/companies/rtx/jobs/8c86d7e09838432d7459/) ## Similar jobs at other companies ### [Principal Integration Engineer (Munitions)](https://jobs.opennash.com/companies/bae-systems/jobs/43f1f27147243ceaa704/) BAE Systems · Maple Grove, Minnesota, United States ### [Senior Principal Systems Engineer - Integration & Test Lead](https://jobs.opennash.com/companies/bae-systems/jobs/d39ed849c9fa84c7ee6b/) BAE Systems · Hudson, New Hampshire, United States ### [Front End Central Product Integration Engineer – Test & Product Yield Integration (Senior / Staff / Principal)](https://jobs.opennash.com/companies/micron-technology/jobs/2859dd3b8e971ff9a124/) Micron Technology · Boise ### [Software Integration and Test Engineer / Principal Software Integration and Test Engineer (Top Secret Clearance)](https://jobs.opennash.com/companies/northrop-grumman/jobs/0fdb843922d2a4ca8a1b/) Northrop Grumman · United States-California-Manhattan Beach ### [Principal / Sr. Principal Systems Engineer - Integration & Test](https://jobs.opennash.com/companies/northrop-grumman/jobs/8cc6e5b2c14adf4f2824/) Northrop Grumman · United States-Maryland-Baltimore [Operations jobs](/functions/operations/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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